United Kingdom
Catalog   /   Mobile Phones & Gadgets   /   Mobile Phones & Accessories   /   Power Banks

20000 mAh power banks

 prices on 152 models  
~ 20,000 mAh
clear
Save List
Show
Compatibile con tanti dispositivi: 20.000 mAh per soddisfare le esigenze dei possessori di smartphone, tablet, auricolari, cuffie, speaker, droni, e-reader, console Ricarica due device alla volta: grazie alle due uscite USB alimenta in tutta sicurezza i dispositivi senza rischi di surriscaldamento o sovraccarichi Alimentazione rapida: la porta USB da 2.1a è in grado di ricaricare uno smartphone del 50% in circa 30 minuti Ricarica x 8: il powerbank è in grado di ricaricare fino a 8 volte uno smartphone con batteria da 2.500 mAh Cavetto di ricarica: alimenta il powerbank con il cavetto incluso nella confezione
£31.15
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
Maximum power: This powerful power bank in compact size impresses with a strong capacity of 20,000 mAh and an output power of 4.5 A. It is ideal for charging smartphones, tablets, notebooks, GPS, flashlights, etc. FAST & SECURE: Compatibility with QuickCharge 3.0 and Power Delivery even allows you to charge laptops and notebooks! Our Ansmann MultiSafe technology protects electronic circuits from any possible damage Always overview: control the remaining charge level with the practical LCD display percentage accuracy and never go out of the house again without energy Ready for flight: with 74 Wh, this external battery for iPhone, Samsung, Huawei, Google, etc. is accepted by airlines in the …
£43.95
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
High Capacity: 20,000 mAh ultimate power capacity that can charge a standard smartphone up to 6 times, giving you extra 72 hours of time.
Dual Outputs: 2 USB-A output ports that can charge 2 devices at once.
Rapid Charging: 2.1A rapid charging for all of your charging needs.
LCD Display: The LCD indicator shows the battery level and charging status at a quick glance.
Dual Inputs: 1 USB-C and 1 micro-USB inputs can recharge based on your convenience.
PowerSafe: Guarantees against short circuit, and over-charging for your portable battery and devices.
£24.84
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
CoreParts MBX-PB006 power bank Lithium-Ion (Li-Ion) 20000 mAh Black
£74.22
Smartteck.co.uk
Delivery: to United Kingdom
Report
Buy!
Smartteck.co.uk
Total capacity 20000 mAh, Inside 4 pcs. 21700 Enrone 48G (4800mAh x 4) Support SCP multi protocol fast charge 22.5W KK-AFC USB output 2 pcs. fast charging USB PD 20W Support micro USB and Type C input Controller IP5356 Multi-protocol fast charging Type C for phones, laptops. You can take it on a plane without a declaration, safely and securely. Transparent housing, high-quality LED screen shows the remaining charge, current power consumption and voltage in real time. Specifications: Material: ABB-PVC The size: 154x65x29mm The weight: 390 gr. entrance: 2 pcs. : Apple Lightning : 5V 2A Type C: 5V 3A / 9V 2A / 12V 1.5A Exit: 2 pcs. ; USB: 5V 3A / 4.5V 5A / 9V 2A / 12V x 2
£45.04
Joom.com
Delivery: in United Kingdom
Report
Buy!
Joom.com
GP PowerBank MP20B 20000mAh USB-C/USB-A 130M20B Mobile Power Supply
£34.19
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
The Juice ECO Max Power Bank with 20000mAh (7 Full Charges) battery capacity. The perfect accessory for a day or two off the grid if you know you'll be without mains power for your little staycation this year don't forget to pack the Juice Max Power Bank to make sure all your devices are powered up. You don't want to miss the perfect photo op!

Plus now being made from 100% recycled plastic means its kinder for the planet.

The Juice Max has been labelled the best power bank Which? have reviewed. With a whopping 20W output from its USB-C Port and a further 18W from its USB-A ports it charges an average smartphone from 0-50% battery in only 50 minutes and holds seven complete …
from £26.87 up to £29.19 
Compare prices and buy Juice JUI-PBANK-MAX-20000MA-ECO-NVY 20000 mAh Navy PBANKMAX20000MAECONV
£27.00
£29.00
Compare prices2
Powerful Fast Charge: Featuring QC 22.5W and PD 20W powerful output, this mobile phone power bank can fast fuel your devices, iPhone 15 Pro can be charged to 60% in 30 mins. Say goodbye to waiting. 3-in-1 Fast Charge: Equipped with 2*USB A ports and 1*USB C port, this portable charger can fast charge 3 devices simultaneously and meet your different charging needs. No more queuing when charging. Power for days: UGREEN 20000mAh Power Bank can meet 5-7 days of battery life, fully charge iPhone 15 Pro up to 4.5 times and 3 times for Galaxy S24 Ultra, ideal for travel, business trips, camping, or other outdoor activities. Smaller Size, Bigger Power: Advanced technology makes this portable charger …
£36.99
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
Dual USB Charger / 20,000 mAh / Power Output (Max) 3 / microUSB Interfaces
£18.99
Idealo.co.uk
Delivery: in United Kingdom
Report
Buy!
Idealo.co.uk
This large-capacity battery is equipped with 2 USB-A ports on the front with 2.1A power each. It allows you to charge 2 devices simultaneously and very quickly. This battery is very fine and can be taken and travel with you in all circumstances.
from £32.70 up to £37.75 
Compare prices and buy Urban Factory UPB25UF power bank Polymer 20000 mAh Black
£33.00
£38.00
Compare prices2
3 PORTS W/ FAST CHARGING: This BoostCharge power bank lets you simultaneously charge up to 3 devices with a USB-C port and 2x USB-A ports. Get a fast, dependable charge to your iPhone or android. HIGH CAPACITY & INCLUDED CABLE: Pre-charged and ready to use, with 20,000 mAh of power delivering 78 hours of additional battery life to your smartphone. A 6-inch USB-C to USB-A cable is included so you can start charging compatible devices right away! VERSATILE PD COMPLIANCE: The BoostCharge 3-Port Power Bank supports fast charging for smartphones, tablets, and other PD-enabled devices with 15W maximum output. LED INDICATOR LIGHT: This Belkin power bank is designed with a built-in LED light that …
£34.99
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
RELIABLE SUPPORT FOR YOUR SMARTPHONE: The power bank Setty with an impressive capacity of 20000mAh provides enough power to charge your phone from zero to a hundred even five times, making it an indispensable companion on any trip and daily use. Unique versatility: Two USB output ports allow you to charge two devices simultaneously, so you can connect both your phone and tablet, smartwatch or headphones without waiting for a queue. Universal charging: The Setty PB1-201 is equipped with two input ports - microUSB and USB-C, which allows you to charge the power bank with different cables according to your preferences and needs. Intelligent LED Indicators: the built-in LED lights allow you …
£31.19
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
Easy to use Good product for use Good performance Good quality
£36.08
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
The 20000mAh high capacity can provide extra screen time up to 72 hours for a smartphone, 24 hours for a small tablet, and 16 hours for a large tablet. Triple output design with 2 USB-C ports and 1 USB-A port that can charge up to 3 devices simultaneously. Fast charging at 2.1A, effectively charge your devices wherever you go The battery life LED indicator shows charging status and battery level in a snap. PowerSafe management ensures against short circuit, over-current, overload and over-discharge for your power bank and devices. Package Included 1 x UE20050C 1 x Charging Cable 1 x User Manual
£32.68
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
Maximum power: This powerful power bank in compact size impresses with a strong capacity of 20,000 mAh and an output power of 4.5 A. It is ideal for charging smartphones, tablets, notebooks, GPS, flashlights, etc. FAST & SECURE: Compatibility with QuickCharge 3.0 and Power Delivery even allows you to charge laptops and notebooks! Our Ansmann MultiSafe technology protects electronic circuits from any possible damage Always overview: control the remaining charge level with the practical LCD display percentage accuracy and never go out of the house again without energy Ready for flight: with 74 Wh, this external battery for iPhone, Samsung, Huawei, Google, etc. is accepted by airlines in the …
£51.27
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
Specifications:Design:- Number of devices connected simultaneously (max.): 1- Charger Compatibility: Universal- Shape: Rectangle- LED indicators: YesPerformance:- Charging source: USB- Battery technology: Lithium- Battery capacity: 20000mAhPower control:- Input voltage: 5V- Input current: 2A- Output voltage: 12V- Output current: 1.67A- Current Port 2 Output: 1.5APorts and Interfaces:- Input interface: USB Type C- USB A number of outputs: 1- Number of USB Type C ports: 1Environmental conditions:- Operating temperature range: 0 - 40°CWeight and measurements:- Broad: 68.5mm- Depth: 25mm- Height: 137mm- Weight: 401g
from £20.99 up to £34.52 
Compare prices and buy Celly PBE20000EVOBK
£21.00
£35.00
Compare prices2
Dual USB Charger / 20,000 mAh / Quick Charging Technology Power Delivery 3.0 / USB-A Interfaces / Black / 365 g
£37.99
Idealo.co.uk
Delivery: in United Kingdom
Report
Buy!
Idealo.co.uk
Powerful battery : 20,000 mAh capacity 2 x USB connectors Micro USB and Type-C connector for charging the battery Classic and elegant design
£39.90
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
Good to know- Charge up to 3 devices at once - you don't have to choose between working and listening to music anymore- With 20000 mAh of power you can fully charge your smartphone about six times, so you can go without a socket for days- LED indicators let you know when the power bank needs charging too- It comes with a USB-C cable so you can start using it straight away
£29.99
Currys.co.uk
Delivery: to United Kingdom
Report
Buy!
Currys.co.uk
Sleek, durable battery pack charges devices — fast. Portable OtterBox Fast Charge Standard Power Banks are designed with industry-leading mobile expertise and quality that is uniquely durable — to build trust, foster connections and instill confidence for whatever the day brings.Features:- Up to 3.6X faster charging* so you won't miss the moments that matter most- USB-A and Fast Charge USB-C ports allow for multi-device charging- Battery capacities range in size from a quick boost to multiple complete refuels- LED power indicator displays charging status and current battery life- Sleek, quality finish fits into the tightest pockets- Durable design engineered with trusted drop protection- Incl…
from £27.99 up to £44.99 
Compare prices and buy OtterBox 78-80642
£28.00
£28.00
£45.00
Compare prices3
The best emergency charge, equipped with two USB-C and MICRO USB input ports and a 12W USB output port for charging the device Compactness: High density lithium polymer cells ensure low volume and maximum power bank portability Design: non-slip coating and soft touch coating give grip strength and pleasant feel Battery capacity: 20000 mAh Box contents: power bank, USB-A to USB-C cable, instruction manual
£43.06
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
Compact and portable power bank with duel 2.4A fast charging USB ports. Allows you to charge 2 devices at the same time. Will charge your device 5.3 times. 18W fast charge technology to power your device up quickly. Technology to protect your device with overcurrent protection, overcharge protection, over voltage protection, overdischarge protection and short circuit protection. Light indicators to show the power levels in the power bank. 2 year manufacturers warranty. 200% plastic regenerative. 100% carbon neutral. 100% sustainable packaging, FSC certified.
£198.84
Amazon.co.uk
Delivery: to United Kingdom
Report
Buy!
Amazon.co.uk
24 more item(s)
1 ... 3 4 5 6 7
Filters
Price
from£ up to£ 
Brands
Capacity
Capacity
Outputs
USB A ports for charging
USB type C ports for charging
Max. power (per 1 port)
Total output (all ports)
Charging functions
Fast charge
Built-in output cable
Power bank charging inputs
More features
more
Battery type
Cables in box
Colour
Material
Body thickness
Weight
Clear parameters